17980095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 33200640

約数和(自身を除く): 15220545

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 1571, 1635, 2289, 3815, 4713, 7855, 10997, 11445, 23565, 32991, 54985, 164955, 171239, 513717, 856195, 1198673, 2568585, 3596019, 5993365, 17980095]

約数ペア:

[(1, 17980095), (3, 5993365), (5, 3596019), (7, 2568585), (15, 1198673), (21, 856195), (35, 513717), (105, 171239), (109, 164955), (327, 54985), (545, 32991), (763, 23565), (1571, 11445), (1635, 10997), (2289, 7855), (3815, 4713)]